Innovative CPU Designs to Meet the Needs of
Next-Generation Devices

The technology sector’s compute performance needs are ever-expanding to support new applications, experiences, and devices. The Cortex-X Custom program enables customization and differentiation beyond the traditional roadmap of Arm Cortex products, offering our partners a way to deliver the ultimate performance required for their specific use cases.

Performance-First Design

Delivers ultimate peak performance within an expanded envelope for power and area.

Customized to Meet Market Needs

Close collaboration with Arm enables program partners to influence products, achieve tangible improvements for relevant use cases, and address market-specific goals.

Extends Ecosystem Capabilities

Compatible with Cortex-A CPUs for design flexibility and scalability through DynamIQ support for intelligent solutions.


Ultimate Performance for Next-Generation Smartphones and Laptops

Performance improvements on mobile compared with latest Android flagship smartphones.

 12 Core Support

Greater scalability with support for up to 50% more cores for more powerful “big.LITTLE” CPU configurations targeting next-generation smartphones and laptops.


Performance uplift when compared to latest mainstream laptop devices.

Cortex-X Documentation

What Partners Are Saying

MediaTek  Logo

“Congratulations to Arm on the launch of the new Immortalis GPU, featuring hardware-based ray tracing. Combined with the new powerful Cortex-X3 CPU, we look forward to the next-level of mobile gaming and productivity for our Flagship & Premium mobile SOCs.”

Dr. JC Hsu, Corporate VP and GM, Wireless Communications Business Unit, MediaTek


“Samsung and Arm have a strong technology partnership and we are very excited to see the new direction Arm is taking with the Cortex-X Custom program, enabling innovation in the Android ecosystem for next-gen user experiences.”

Joonseok Kim, VP of SoC Design Team, Samsung Electronics

Mobile Computing

Arm Cortex CPUs address the needs of various devices, from premium-level smartphones to larger screen devices, such as tablets and laptops. Mobile devices rely on Arm technology to enable digitally immersive experiences with life-like graphics capabilities for gaming, XR (augmented reality and virtual reality), on-device security for ML-based applications and staying connected anytime, anywhere.

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